//
//  DKCountdownManager.h
//  Whistle
//
//  Created by ZhangAo on 15/02/2018.
//  Copyright © 2018 BookSir. All rights reserved.
//

#import "DKBaseManager.h"

@protocol DKCountdownManagerObserver

- (void)countdownManagerDidUpdateCounting;

@end

@interface DKCountdownManager : DKBaseManager

- (void)startCountdown;

- (void)resetCountdown;

- (BOOL)hasCounting;

- (CGFloat)currentCounting;

@end
